| | Joshua Tree, CA | Tehachapi, CA | United States |
| Population | 7,398 | 13,346 | 329,725,481 |
| Female Population | 54.1% | 32.6% | 50.5% |
| Male Population | 45.9% | 67.4% | 49.5% |
| Median Age | 40.2 | 38.1 | 38.4 |
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| Population - 2010 | 7,719 | 14,400 | 309,327,143 |
| Population - 2000 | 4,207 | 10,957 | 285,036,114 |
| Population - 1990 | 3,898 | 5,791 | 251,960,433 |
| Pop. 2000 to Now | 72.8% | 16.3% | 15.6% |
| Pop. 1990 to Now | 86.5% | 120.1% | 30.8% |
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| Population Density | 205.0 | 1,349.9 | 93.4 |
| Land Area | 36.1 | 9.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Joshua Tree, CA | Tehachapi, CA | United States |
| Age 0 to 4 | 5.8% | 5.6% | 5.9% |
| Age 5 to 9 | 4.2% | 6.1% | 6.1% |
| Age 10 to 14 | 4.8% | 4.3% | 6.6% |
| Age 15 to 17 | 4.4% | 2.9% | 3.9% |
| Age 18 to 20 | 3.4% | 1.2% | 4.0% |
| Age 21 to 24 | 6.0% | 4.4% | 5.2% |
| Age 25 to 34 | 15.5% | 18.0% | 13.8% |
| Age 35 to 44 | 12.2% | 20.5% | 12.9% |
| Age 45 to 54 | 12.4% | 13.8% | 12.6% |
| Age 55 to 59 | 5.2% | 5.4% | 6.7% |
| Age 60 to 64 | 8.5% | 5.4% | 6.3% |
| Age 65 to 74 | 10.0% | 6.6% | 9.6% |
| Age 75 to 84 | 5.1% | 4.4% | 4.5% |
| Age 85 and over | 2.4% | 1.4% | 1.9% |
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| Race | | | |
| | Joshua Tree, CA | Tehachapi, CA | United States |
| White | 71.0% | 53.4% | 59.4% |
| Black | 0.9% | 6.8% | 12.2% |
| Asian | 1.0% | 2.4% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.4% | 0.1% | 0.2% |
| Other | 0.9% | 0.2% | 0.4% |
| Two or More Races | 2.4% | 3.2% | 3.2% |
| Hispanic | 23.3% | 33.9% | 18.4% |
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| Marriage & Family | | | |
| | Joshua Tree, CA | Tehachapi, CA | United States |
| Married Population | 39.0% | 40.2% | 49.8% |
| Currently Married | 38.4% | 37.8% | 48.0% |
| Married but Separated | 0.6% | 2.4% | 1.8% |
| Single Population | 61.0% | 59.8% | 50.2% |
| Never Married | 37.1% | 38.7% | 33.8% |
| Divorced | 17.3% | 16.9% | 10.8% |
| Widowed | 6.6% | 4.2% | 5.6% |
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| Household Size | 2.50 | 2.44 | 2.60 |
| Households | 2,904 | 3,693 | 124,010,992 |
| Family Households | 1,565 | 2,093 | 80,755,759 |
| Married couple, w/children | 29.0% | 41.5% | 30.5% |
| Married couple, no children | 40.2% | 38.5% | 42.9% |
| Non Family Households | 1,339 | 1,600 | 43,255,233 |
| Single householder, w/children | 18.9% | 11.1% | 15.8% |
| Single householder, no children | 11.9% | 8.9% | 10.8% |